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© 2002 Caterpillar Inc.

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MAJOR MACHINE UPDATES

• Operator's Station• Central Grease Station• Emissions Engine• Engine Cooling Package• On Demand Fan• Variable Shift Control• Integrated Braking System• Hydraulic Oil Filtration• Axle Oil Cooler• Torque Converter Freewheel Stator• Electro-Hydraulic Implement System Features

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CONFIGURING THE MACHINE• Shipped with the Work Tool Attached - Machine has been Configured and Calibrated

• Shipped without the WorkTool Attached - Machine must be Configured and Calibrated

• "Red Tagged" to Alert Dealer of Configuration Status• Error Code #0009

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CALIBRATING THE ELECTRO-HYDRAULIC SYSTEM

• Lever Calibrations

• Linkage Calibrations

• Valve Calibrations

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RECOMMENDED SETTINGS

• Raise Solenoid #1 Start Current - .249

• Lower Solenoid #1 Start Current - .249

• Rackback Solenoid #1 Start Current - .249

• Dump Solenoid #1 Start Current - .249

• Raise Solenoid #1 Maximum Current - .630

• Lower Solenoid #1 Maximum Current - .550

• Rackback Solenoid #1 Maximum Current - .630- Do not change if AutoDig is installed on the machine

• Dump Solenoid #1 Maximum Current - .550

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ELECTRO-HYDRAULICIMPLEMENT SYSTEM

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• Autodig

• Lift/Tilt Kickout

• Full Rack Angle Control (FRAC)

• Dump Stop Snubbing

• Dump Rate Control

• Fine Modulation

ELECTRO-HYDRAULIC IMPLEMENT SYSTEM FEATURES

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ADJUSTABLE RANGE

LEVER MOVEMENT (PERCENT)

DEFAULT SETTING59%

SO

LE

NO

ID C

UR

RE

NT

(A

MP

S)

0% 66% 100%

MAXIMUMMODULATION

CURRENT ≈ 600 mA

FLOAT POSITIONCURRENT = 850 mA

START OFMODULATION

CURRENT ≈ 250 mA

FINE MODULATIONwww.oto-hui.com

LIFT

TOSERVICEBRAKES

MAINIMPLEMENT

PUMP

ELECTRO-HYDRAULICCONTROL VALVE

MAINCONTROL VALVE

MAINRELIEFVALVE

RIDECONTROL

VALVE

ACCUMULATORAUXILIARY TILT

FANDRIVEPUMP

TO STEERING PILOT SYSTEM

FROM STEERING PUMP SIGNAL LINE

TO STEERING SYSTEMSUPPLYLINE

950G/962G SERIES IIIMPLEMENT HYDRAULIC SYSTEM

RIDE CONTROL OFF

BALANCEVALVE

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RIDE CONTROLDIVERTER VALVE

ACCUMULATORLIFT

CYLINDERS

FROM PILOT VALVE

TO IMPLEMENT HYDRAULIC SYSTEM

RESOLVERVALVE

IMPLEMENTPUMP

RIDE CONTROLSOLENOID VALVE

TRANSMISSIONECM

TANK

CHECKVALVE

TO PILOT CONTROL VALVE

FROM LIFTCONTROL

VALVE

BALANCEVALVE

RIDE CONTROL SYSTEMENGINE ON/ RIDE CONTROL OFF

DIVERTER VALVE SPOOL

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RIDE CONTROLDIVERTER VALVE

ACCUMULATORLIFTCYLINDERS

FROM PILOT VALVE

TO IMPLEMENT HYDRAULIC SYSTEM

RESOLVERVALVE

IMPLEMENTPUMP

RIDE CONTROLSOLENOID VALVE

TRANSMISSIONECM

TANK

CHECKVALVE

TO PILOT CONTROL VALVE

FROM LIFTCONTROL

VALVE

BALANCEVALVE

RIDE CONTROL SYSTEMENGINE ON / RIDE CONTROL SYSTEM BALANCED

DIVERTERVALVE SPOOL

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TANK

RIDE CONTROLDIVERTER VALVE

ACCUMULATORLIFT

CYLINDERS

FROM PILOT VALVE

TO IMPLEMENT HYDRAULIC SYSTEM

RESOLVERVALVE

IMPLEMENTPUMP

RIDE CONTROLSOLENOID VALVE

TRANSMISSIONECM

CHECKVALVE

TO PILOT CONTROL VALVE

FROM LIFTCONTROL

VALVE

BALANCEVALVE

RIDE CONTROL SYSTEMTILT LEVER ACTIVATED / AUTO OFF

DIVERTERVALVE SPOOL

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TANK

RIDE CONTROLDIVERTER VALVE

ACCUMULATORLIFTCYLINDERS

FROM PILOT VALVE

TO IMPLEMENT HYDRAULIC SYSTEM

RESOLVERVALVE

IMPLEMENTPUMP

RIDE CONTROLSOLENOID VALVE

TRANSMISSIONECM

CHECKVALVE

TO PILOT CONTROL VALVE

FROM LIFTCONTROL

VALVE

BALANCEVALVE

RIDE CONTROL SYSTEMKEY SWITCH OFF

DIVERTER VALVE SPOOL

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10 A

10 A

10 A

10 A

15 A

15 A

10 A

AUTO TRIG REC

IMPLEMENT FUNCTIONSELECT SWITCH

OPERATOR IMPLEMENT CONTROLS

IMPLEMENT LOCKOUTSWITCH

LIFT LEVER RAISEDETENT ELECTROMAGNET

LIFT LEVER LOWERDETENT ELECTROMAGNET

TILT LEVERDETENT ELECTROMAGNET

LIFT LEVERPOSITION SENSOR

TILT LEVERPOSITION SENSOR

TRIGGERSWITCH

FUSEHOLDER

WLPCSECM

LIFT POSITIONSENSOR

TILT POSITIONSENSOR

LIFT CYLINDER HEPRESSURE SENSOR

FINAL POSITION SET SWITCH

OPERATION MODE SWITCH

DIG MODE SWITCH10 POSITION ROTARY

AUDIBLE INDICATOR

INDICATOR PANEL

DUMP PROPORTIONAL SOLENOID

TILT BACK PROPORTIONAL SOLENOID

LOWER PROPORTIONAL SOLENOID

RAISE PROPORTIONAL SOLENOID

ON/OFF PILOT SOLENOID

LIFT/TILT KICKOUT SET SWITCH

ATTACHMENTCONTROLSYSTEM

IMPLEMENTECM

CAT DATA LINK

IMPLEMENT CONTROL SYSTEMWITH AUTODIG SYSTEM ATTACHMENT

AUTODIGATTACHMENT

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• Automatic Pile Detection Mode

• Operator Triggered Mode

• Playback Mode

AUTODIG CONTROL ARRANGEMENT

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• AutoDig ON

• Lift Linkage Near Ground

• Bucket Angle Near Level

• Machine Speed > 0.7 kph and < 12.3 kph

• 1st, 2nd or 3rd Gear Forward

• No Direction Changes in Last 2 Seconds

• No Gear Changes in Last 0.5 Second

• Neutralizer Not Active

• Lift and Tilt Control Levers Centered

AUTODIG OPERATING REQUIREMENTSwww.oto-hui.com

34

2 FN

R

MAC-14POWER TRAIN

ECM

HMU SHIFTER

IMPLEMENT LEVERMOUNTED DOWNSHIFT SWITCH

3-POSITIONTRANSMISSION AUTO/

MANUAL SWITCH

HMU SHIFTER CONFIGURATION

NEUTRALIZER DISABLE LAMP

NEUTRALIZER DISABLE SWITCH

LEFT PEDAL POSITION SENSOR

ENGINE SPEED SENSOR

TORQUE CONVERTER OUTPUTSPEED SENSOR (EXCEPT 980G)

TRANSMISSION OUTPUTSPEED SENSOR 1

TRANSMISSION OUTPUTSPEED SENSOR 2

5-POSITIONTRANSMISSION AUTO/

MANUAL SWITCH

CCS SHIFTER

CCS SHIFTER CONFIGURATION

CAT DAT LINK

INTEGRATED BRAKING SYSTEMwww.oto-hui.com

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DEADBAND

CALIBRATEDNEUTRALIZATION

SET POINT

MAXIMUMPEDAL

TRAVEL

CALIBRATEDINITIAL BRAKE

PRESSURE POINT

LEFT BRAKEPEDAL POSITIONS

BRAKELAMP

SWITCH

LEFTBRAKE

POSITIONSENSOR

NORMALMODE

INITIAL MODE

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CONDITIONS FOR TRANSMISSION NEUTRALIZATION

• Auto/Manual Selector Switch is NOT in the 1-4 Position

• Transmission is in 2nd gear

• Ground speed in 6.5 mph

• Auto/Manual Selector Switch is in the 1-4 Position

• Transmission is in 1st gear

• Ground speed in 4.5 mph

- OR -

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PREFERRED GEAR FOR LOADING TRUCKS

• COMMAND CONTROL STEERING - Auto/ Manual Selector Switch in the 2 Position

• HAND METERING UNIT STEERING - Auto/ Manual Selector Switch in the 2-4 Position

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• Mode 7 (980G)

• Mode 8 (950G-972G)

INTEGRATED BRAKESYSTEM CALIBRATION

BRAKE LAMP SWITCH

LEFTBRAKE

POSITIONSENSOR

CALIBRATEDNEUTRALIZATION

SET POINT

CALIBRATEDINITIAL BRAKE

PRESSURE POINT

NEUTRALIZATION POINT CALIBRATIONINITIAL BRAKE PRESSURE POINT CALIBRATION

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